Star Core is somepony who likes making up stories. She has a notebook which lists them all. One day, she stumbles upon a strange notebook. Since she wants to, she writes in it.

You're Redhoof, a new student at Canterlot High. Your pals dared you to kiss eight girls, Rainbow Dash, Fluttershy, Twilight, Rarity, Pinkie Pie, Applejack and Sunset Shimmer. But the eighth girl remained a secret to you.